Postmodernism is a broad movement that developed in the mid to late 20^th century across philosophy, the arts, architecture and criticism which marked a departure from modernism. It is an attitude of skepticism irony or rejection toward grand narratives, ideologies and various tenants of universalism. The term Post-modern was first used around the 1880s. John Wain was a postmodern novelist, central themes of post-modernism as the theme of anger, the theme of focalization of the marginalized people, the countervailing pulls of love and sex a central issue of post-modernism are main themes in the novels of John Wain. The present research paper highlights the evolution of John Wain as a postmodern novelist.